Abstract: An organic light emitting device can include first and second electrodes formed to face each other on a substrate; a first stack interposed between the first and second electrode and configured with a hole injection layer, a first hole transportation layer, a first light emission layer and a first electron transportation layer which are stacked on the first electrode; a second stack interposed between the first stack and the second electrode and configured with a second hole transportation layer, a second light emission layer, a third light emission layer and a second electron transportation layer which are stacked on the first stack; a third stack interposed between the second stack and the second electrode and configured with a third hole transportation layer, a fourth light emission layer, a third electron transportation layer and an electron injection layer which are stacked on the second stack; and a first charge generation layer interposed between the first and second stacks and a second charge generati

Abstract: Provided is a bipolar plate-electrode assembly used in a redox flow battery stack, in which a bipolar plate (140) is made of a thermoplastic resin, electrodes (170A, 170B) disposed on both sides of the bipolar plate are thermally compressed at a central portion of the bipolar plate so as to be permeated into the bipolar plate, the size of the bipolar plate is larger than that of the electrodes, and fiber mats (150A, 150B) are hot-pressed so as to be permeated in an periphery (141) the bipolar plate which is a larger area than the electrodes.

Abstract: Provided is an integrated circuit which includes: a plurality of conductive lines extending in a first horizontal direction on a plane separate from a gate line, and including first and second conductive lines; a source/drain contact having a bottom surface connected to a source/drain region, and including a lower source/drain contact and an upper source/drain contact which are connected to each other in a vertical direction; and a gate contact having a bottom surface connected to the gate line, and extending in the vertical direction, in which the upper source/drain contact is placed below the first conductive line, and the gate contact is placed below the second conductive line. A top surface of the lower source/drain contact may be larger than a bottom surface of the upper source/drain contact.

Abstract: The present invention relates to a method for renmoving precipitate including: supplying anolyte stored in an anolyte tank to an anode inlet of a stuck through an anode inlet pipe; supplying the catholyte stored in a catholyte tank to a cathode inlet of the stack through an cathode inlet pipe; supplying the catholyte from the stack to the anolyte tank through an anode outlet pipe; and supplying the catholyte from the stack to the catholyte tank through an cathode outlet pipe, wherein in case of removing electrolyte precipitate in the cathode of the stack, the anolyte stored in the anolyte tank is supplied to the cathode inlet of the stack, the catholyte stored in the catholyte tank is supplied to the anode inlet of the stack, the anolyte discharged from a cathode outlet of the stack is supplied to the anolyte tank, and the catholyte discharged from an anode outlet of the stack is supplied to the catholyte tank.

Abstract: Disclosed are a method of manufacturing a diesel particulate filter having an improved coefficient of thermal expansion and a diesel particulate filter manufactured by the method. More particularly, the present disclosure provides a method of manufacturing a diesel particulate filter having an improved coefficient of thermal expansion, the method including: a molding step of molding a cordierite mixture; a heating step of heating a molded product manufactured by the molding step; and a firing step of firing the molded product heated in the heating step, wherein, in the heating step, the molded product manufactured by the molding step is heated up to 1410° C. and is heated at a temperature increase rate of 1° C./min or less in a temperature range of 1200 to 1280° C.

Abstract: Provided is an integrated circuit which includes: a plurality of conductive lines extending in a first horizontal direction on a plane separate from a gate line, and including first and second conductive lines; a source/drain contact having a bottom surface connected to a source/drain region, and including a lower source/drain contact and an upper source/drain contact which are connected to each other in a vertical direction; and a gate contact having a bottom surface connected to the gate line, and extending in the vertical direction, in which the upper source/drain contact is placed below the first conductive line, and the gate contact is placed below the second conductive line. A top surface of the lower source/drain contact may be larger than a bottom surface of the upper source/drain contact.

Abstract: A light emitting diode comprises first and second electrodes facing each other; a first charge generation layer between the first and second electrodes; a first emitting stack including a first emitting material layer between the first electrode and the first charge generation layer and a first electron transporting layer between the first emitting material layer and the first charge generation layer; and a second emitting stack including a second emitting material layer between the first charge generation layer and the second electrode and a second electron transporting layer between the second emitting material layer and the second electrode, wherein the first charge generation layer has an electron mobility lower than that of the first electron transporting layer.

Abstract: An organic light emitting device can include first and second electrodes formed to face each other on a substrate; a first stack interposed between the first and second electrode and configured with a hole injection layer, a first hole transportation layer, a first light emission layer and a first electron transportation layer which are stacked on the first electrode; a second stack interposed between the first stack and the second electrode and configured with a second hole transportation layer, a second light emission layer, a third light emission layer and a second electron transportation layer which are stacked on the first stack; a third stack interposed between the second stack and the second electrode and configured with a third hole transportation layer, a fourth light emission layer, a third electron transportation layer and an electron injection layer which are stacked on the second stack; and a first charge generation layer interposed between the first and second stacks and a second charge generati

Abstract: An earphone capable of making it easy to remove foreign substances that have accumulated on a nozzle portion and easy to control sound characteristics thereof is provided. The earphone includes a driver, a housing defining an electrical component mount on which the driver is mounted, a nozzle portion provided at one end of the housing and defining therein a nozzle hole communicating with the electrical component mount, a nozzle cap detachably coupled to an outer circumferential surface of the nozzle portion, and a nozzle mesh provided at the nozzle cap so as to cover the nozzle hole, wherein the nozzle cap serves to decrease output in a second peak region in a graph of output over frequency for the earphone and to increase a fourth peak region or expand a bandwidth of the fourth peak region in the graph.

Abstract: There is disclosed a portable sound equipment comprising a support body formed in a gentle curve; electronic bodies provided in both ends of the support body, respectively, and exhaustible from the support body and rotatable to be folded or unfolded in an exhausted state; and a hinge unit configured to provide a shaft for the rotation, wherein the hinge unit comprises a connection portion projected from one end of the support body; a hinge rotatably coupled to the connection portion; a cylinder connected to the hinge and loaded in the electronic body; and a hinge spring having one end fixed to the cylinder and the other end supporting the electronic body to generate a restoring force which makes the exhausted electronic bodies become drawn into the support body, and when the electronic bodies are drawn into the support body is caught in the connection portion with respect to the rotational direction.

Abstract: The present invention relates to a redox flow battery comprising: an electrolyte tank, an electrolyte inlet pipe, a stack, and a pump supplying an electrolyte in the tank to the stack through an electrolyte inlet pipe, wherein an electrolyte concentration measuring instrument is connected to the electrolyte inlet pipe.

Abstract: An ear unit and a portable sound device having the same are provided. The ear unit includes a driver unit, an ear housing configured to form an electric part in which the driver unit is mounted and including a bass hole and a flat hole formed in a first surface of the electric part, a rotator including a second surface opposite the first surface and rotatably coupled to the ear housing, and an opening/closing hole provided in the second surface of the rotator to open or close the bass hole or the flat hole according to rotation of the rotator. The flat hole is connected to an inner hole formed in one position inside the first surface so as to form a duct.

Abstract: An organic light emitting device can include first and second electrodes formed to face each other on a substrate; a first stack interposed between the first and second electrode and configured with a hole injection layer, a first hole transportation layer, a first light emission layer and a first electron transportation layer which are stacked on the first electrode; a second stack interposed between the first stack and the second electrode and configured with a second hole transportation layer, a second light emission layer, a third light emission layer and a second electron transportation layer which are stacked on the first stack; a third stack interposed between the second stack and the second electrode and configured with a third hole transportation layer, a fourth light emission layer, a third electron transportation layer and an electron injection layer which are stacked on the second stack; and a first charge generation layer interposed between the first and second stacks and a second charge generati

Abstract: A method of forming a semiconductor package includes dispensing an adhesive on a substrate that has an integrated circuit die attached thereon, placing a lid over the integrated circuit die such that a bottom surface of the lid caps at least a portion of the adhesive, and pressing the lid against the substrate such that a portion of the adhesive is squeezed from a space between the bottom surface of the lid and the substrate onto a sidewall of the lid.

Abstract: A semiconductor device includes an electronic component, a package, a substrate and a plurality of first conductors and second conductors. The package is over the electronic component. T substrate is between the electronic component and the package. The substrate includes a first portion covered by the package, and a second portion protruding out of an edge of the package and uncovered by the package. The first conductors and second conductors are between and electrically connected to the electronic component and the substrate. A width of a second conductor of the plurality of second conductors is larger than a width of a first conductor of the plurality of first conductors, the first conductors are disposed between the second portion of the substrate and the electronic component, and the second conductors are disposed between the first portion of the substrate and the electronic component.

Abstract: A semiconductor device includes a substrate, a package, first conductors and second conductors. The substrate includes a first surface and a second surface opposite to the first surface. The package is disposed over the substrate. The first conductors are disposed over the substrate. The second conductors are disposed over the substrate, wherein the first conductors and the second conductors are substantially at a same tier, and a width of the second conductor is larger than a width of the first conductor.

Abstract: Provided is a bipolar plate-electrode assembly used in a redox flow battery stack, in which a bipolar plate (140) is made of a thermoplastic resin, electrodes (170A, 170B) disposed on both sides of the bipolar plate are thermally compressed at a central portion of the bipolar plate so as to be permeated into the bipolar plate, the size of the bipolar plate is larger than that of the electrodes, and fiber mats (150A, 150B) are hot-pressed so as to be permeated in an periphery (141) the bipolar plate which is a larger area than the electrodes.

Abstract: Provided is a redox flow battery stack comprising: an ion-exchange membrane (1000); two flow frames (2000A, 2000B) disposed on both sides of the ion-exchange membrane (1000), respectively; two bipolar plates (4000A, 4000B) disposed outside the flow frames (2000A, 2000B), respectively; and electrodes disposed in cavities inside outer frames of the flow frames (2000A, 2000B), respectively, in which at least two electrodes are disposed in the flow frames, respectively, and at least three furrows in which the electrolyte flows are formed between electrodes or between the electrode and the outer frame in the flow frame.

Abstract: A semiconductor package includes a substrate, an integrated circuit die, a lid and an adhesive. The integrated circuit die is disposed over the substrate. The lid is disposed over the substrate. The lid includes a cap portion and a foot portion extending from a bottom surface of the cap portion. The cap portion and the foot portion define a recess, and the integrated circuit die is accommodated in the recess. The adhesive includes a sidewall portion and a bottom portion. The sidewall portion contacts a sidewall of the foot portion. The bottom portion extends from the sidewall portion to between a bottom surface of the foot portion and the substrate.

Abstract: A portable sound device having a main body having an earbud holder, an earbud detachably mounted in the earbud holder for outputting a sound, a main board located in the main body, the main body being connected to the earbud via a sound cable, and a rotary module mounted in the main body is provided. The rotary module includes a shaft fixed to the main body, a bobbin rotatable about the shaft, the sound cable being wound around the outer circumferential surface of the bobbin, a reel spring providing rotary force to the bobbin, a track having a concave part, the track being rotated with the bobbin, a guide plate having a guide slot, through which the shaft extends, the guide slot extending in one direction, and a bump protruding from the guide plate so as to be inserted into the track.